Indian Oil has been granted a patent for a PolyMET plate designed for Proton Exchange Membrane fuel cells. The plate features in-plane conductive pathways and a through-plane conductive pathway, enhancing efficiency and performance. The second surface includes a heat removal jacket for improved functionality. GlobalData’s report on Indian Oil gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Indian Oil, Bioethanol production GMOs was a key innovation area identified from patents. Indian Oil's grant share as of January 2024 was 60%. Grant share is based on the ratio of number of grants to total number of patents.
Polymet plate for proton exchange membrane fuel cell
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A recently granted patent (Publication Number: US11888184B2) discloses a PolyMET plate designed for use in Proton Exchange Membrane (PEM) fuel cells. The PolyMET plate is constructed from a polymeric and conductive material, featuring in-plane conductive pathways defining an electrochemical reaction area on one surface, with a through-plane conductive pathway extending through the body. The second surface of the plate includes a heat removal jacket made of an electrically insulating thermoplastic material, enhancing heat dissipation during operation.
The body of the PolyMET plate consists of a polymeric material or a combination of glass and polymer material, with a small percentage of conductive material forming the through-plane conductive pathways. The plate is designed to distribute fuel and air through a flow field on the first surface, while the heat removal jacket on the second surface facilitates coolant circulation for heat dissipation. In a PEM fuel cell stack, the PolyMET plate serves as a crucial component, sandwiching the membrane electrode assembly (MEA) and aiding in the transfer of electrons between the anode and cathode plates. Additionally, a cooling circuit and ion balancing unit are integrated into the PEM fuel cell to manage heat dissipation and reduce electrical conductivity of the coolant, respectively.
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GlobalData’s Patent Analytics tracks patent filings and grants from official offices around the world. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
